Find the area of the region that lies inside the first curve and outside the second curve.


A = ?

Mathematics

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Calculate the area of the surface S.S is the portion of the paraboloid z = 2x2 + 2y2 that lies between z = 1 and z = 2.

A.
B.
C.
D.

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Find the exact value of the product.sin  cos 

A. - 
B.
C.
D.

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Plot the point having the given polar coordinates.

A.

B.

C.

D.

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Solve the problem.The pH of a solution ranges from 0 to 14. An acid has a pH less than 7. Pure water is neutral and has a pH of 7. The pH of a solution is given by  where H+ represents the concentration of the hydrogen ions in the solution in moles per liter. Find the pH if the hydrogen ion concentration is 

A. 2.8 B. 3.8 C. 2.2 D. 3.2

Mathematics